{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "230894",
    "entityType": "User",
    "nonce": "0x3fecbc3e3d49fa38e2e4e81c8f9be197fabc6ed7785643c67753b6e03157796b",
    "signature": "0xe78fc42936df6f1bfe45ff879ec859ad20e4823f86463d7f9140dc0ed30ef45633fa14556263e3e73c0769202fe3d6a48fbb629db64a27cc6edd372a7189d52c1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}